Motorola GM328

Technical Specifications 1-3
*Availability subject to the laws and regulations of individual countries.
Transmitter Low Band
*Frequencies - Full Bandsplit
Low Band 1 29.7-36.0 MHz
Low Band 2 36.0-42.0 MHz
Low Band 3 42.0-50.0 MHz
Channel Spacing 12.5/20/30 kHz
Frequency Stability
(-30°C to +60°C, +25° Ref.)
±5 ppm
Power 40-60W
Modulation Limiting
±2.5 @ 12.5 kHz
±5.0 @ 20/30 kHz
FM Hum & Noise
-40 dB @ 12.5kHz
-45 dB @ 20/30kHz
Conducted/Radiated Emission -26 dBm <1 GHz
Adjacent Channel Power
-60 dB @ 12.5 kHz
-70 dB @ 20/30 kHz
Audio Response (300 - 3000Hz) +1 to -3 dB
Audio Distortion
@1000Hz, 60%
Rated Maximum Deviation
<3% typical
Receiver Low Band
*Frequencies - Full Bandsplit
Low Band 1 29.7-36.0 MHz
Low Band 2 36.0-42.0 MHz
Low Band 3 42.0-50.0 MHz
Channel Spacing 12.5/20/30 kHz
Sensitivity (12 dB SINAD) 0.25 µV (0.22 µV typical)
Intermodulation
>80 dB
Base Mode: >70dB
(1-25W model only)
Adjacent Channel Selectivity
65 dB @ 12.5 kHz
80 dB @ 20/30 kHz
Spurious Rejection
70 dB @ 12.5 kHz
80 dB @ 20/30 kHz
Rated Audio 7.5W and 13W External
Audio Distortion @ Rated Audio <3% typical
Hum & Noise
-40 dB @ 12.5 kHz
-45 dB @ 20/30 kHz
Audio Response (300 - 3000Hz @ 20kHz) +1 to -3 dB
Conducted Spurious Emission (ETS)
-57 dBm <1 GHz
-47 dBm >1 GHz